Ballina is a town in north County Mayo, Ireland. It lies at the mouth of the River Moy near Killala Bay, in the Moy valley and Parish of Kilmoremoy, with the Ox Mountains to the east and the Nephin Beg mountains to the west. The town occupies two baronies; Tirawley on the west bank of the Moy River, and Tireragh, a barony within County Sligo, on its east banks. At the 2022 census, the population of Ballina was 10,556.

County Mayo is a county in Ireland. In the West of Ireland, in the province of Connacht, it is named after the village of Mayo, now generally known as Mayo Abbey. Mayo County Council is the local authority. The population was 137,231 at the 2022 census. The boundaries of the county, which was formed in 1585, reflect the Mac William Íochtar lordship at that time.